Spermine
n. 精素\\n[化] 精胺; 精素
🗣️ 情景例句
What grade are you in?
你在几年级？
Would you like to arrange for a personal interview?
你想安排面谈吗？
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，